EP1176754A3 - Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur - Google Patents

Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur Download PDF

Info

Publication number
EP1176754A3
EP1176754A3 EP01305998A EP01305998A EP1176754A3 EP 1176754 A3 EP1176754 A3 EP 1176754A3 EP 01305998 A EP01305998 A EP 01305998A EP 01305998 A EP01305998 A EP 01305998A EP 1176754 A3 EP1176754 A3 EP 1176754A3
Authority
EP
European Patent Office
Prior art keywords
data
ciphered
contents
keys
key
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01305998A
Other languages
German (de)
English (en)
Other versions
EP1176754A2 (fr
Inventor
Takumi Okaue
Ryuji Ishiguro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP1176754A2 publication Critical patent/EP1176754A2/fr
Publication of EP1176754A3 publication Critical patent/EP1176754A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00507—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00536—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
EP01305998A 2000-07-24 2001-07-12 Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur Withdrawn EP1176754A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000222122 2000-07-24
JP2000222122 2000-07-24
JP2000247460A JP2002108710A (ja) 2000-07-24 2000-08-17 情報処理システム、情報処理方法、および情報処理装置、並びにプログラム提供媒体
JP2000247460 2000-08-17

Publications (2)

Publication Number Publication Date
EP1176754A2 EP1176754A2 (fr) 2002-01-30
EP1176754A3 true EP1176754A3 (fr) 2004-12-01

Family

ID=26596528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01305998A Withdrawn EP1176754A3 (fr) 2000-07-24 2001-07-12 Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur

Country Status (8)

Country Link
US (1) US7131010B2 (fr)
EP (1) EP1176754A3 (fr)
JP (1) JP2002108710A (fr)
KR (1) KR100843942B1 (fr)
CN (2) CN1953365B (fr)
HK (1) HK1046742A1 (fr)
SG (1) SG108264A1 (fr)
TW (1) TW538360B (fr)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3587143B2 (ja) * 2000-08-24 2004-11-10 日本電信電話株式会社 情報利用制御方法、装置及びそのプログラムを記録した記録媒体
TWI222583B (en) * 2001-04-13 2004-10-21 Matsushita Electric Ind Co Ltd Contents recording/duplicating device and recording media storing program for recording/duplicating contents
WO2003073295A1 (fr) * 2002-02-27 2003-09-04 Matsushita Electric Industrial Co., Ltd. Dispositif hote
WO2003084166A1 (fr) * 2002-03-27 2003-10-09 British Telecommunications Public Limited Company Protocole de gestion de cles
JP4391056B2 (ja) * 2002-04-15 2009-12-24 ソニー株式会社 情報管理装置および方法、記録媒体、並びにプログラム
EP1459317A2 (fr) * 2002-09-03 2004-09-22 Matsushita Electric Industrial Co., Ltd. Systeme de lecture restrictive de regions
KR100924773B1 (ko) * 2002-09-16 2009-11-03 삼성전자주식회사 메타데이터 암호화 및 복호화 방법과 암호화된 메타데이터관리 방법 및 그 시스템
EP1593229B1 (fr) * 2003-01-15 2010-10-13 Panasonic Corporation Systeme de protection de contenu, appareil terminal, méthode d'appareil terminal et support d'enregistrement
ES2352052T3 (es) * 2003-01-15 2011-02-15 Panasonic Corporation Sistema de protección de contenido, aparato terminal, método del aparato terminal y soporte de registro.
US7379548B2 (en) * 2003-01-31 2008-05-27 Nds Limited Virtual smart card device, method and system
US8261063B2 (en) * 2003-02-03 2012-09-04 Hewlett-Packard Development Company, L.P. Method and apparatus for managing a hierarchy of nodes
JP2005018378A (ja) * 2003-06-25 2005-01-20 Sony Corp 情報サーバ、情報機器、情報処理システム、情報処理方法および情報処理プログラム
JP4239741B2 (ja) * 2003-07-30 2009-03-18 ソニー株式会社 情報記録媒体製造管理システム、情報処理装置、および方法、並びにコンピュータ・プログラム
GB2404538A (en) * 2003-07-31 2005-02-02 Sony Uk Ltd Access control for digital content
EP1505476A3 (fr) * 2003-08-06 2010-06-30 Yamaha Corporation Procédé pour l'encastrement d'un code d'identification permanent dans des dispositifs musicaux
CN100571132C (zh) 2004-03-22 2009-12-16 国际商业机器公司 多密钥内容处理***和方法
US20050273629A1 (en) * 2004-06-04 2005-12-08 Vitalsource Technologies System, method and computer program product for providing digital rights management of protected content
JPWO2006001268A1 (ja) * 2004-06-25 2008-04-17 株式会社ジャストシステム 文書処理装置、文書閲覧装置および文書処理方法
WO2006003883A1 (fr) * 2004-06-30 2006-01-12 Matsushita Electric Industrial Co., Ltd. Support d’enregistrement, et dispositif et procede pour enregistrer des informations sur un support d’enregistrement
KR100636150B1 (ko) * 2004-07-01 2006-10-19 삼성전자주식회사 암호화 모듈을 포함하는 멀티미디어 장치
JP4266897B2 (ja) * 2004-08-06 2009-05-20 オリンパス株式会社 ライセンス管理システム、ライセンス管理方法、ライセンス管理サーバ、及びライセンス管理ソフトウェア
US7966662B2 (en) * 2004-09-02 2011-06-21 Qualcomm Incorporated Method and system for managing authentication and payment for use of broadcast material
WO2006033154A1 (fr) 2004-09-24 2006-03-30 Fujitsu Limited Programme de distribution de contenu
US9031898B2 (en) * 2004-09-27 2015-05-12 Google Inc. Presentation of search results based on document structure
CA2584525C (fr) 2004-10-25 2012-09-25 Rick L. Orsini Systeme analyseur syntaxique de donnees securise et procede correspondant
JP4452702B2 (ja) * 2006-06-21 2010-04-21 株式会社日立国際電気 映像配信システム
US20100027790A1 (en) * 2007-12-20 2010-02-04 Balaji Vembu Methods for authenticating a hardware device and providing a secure channel to deliver data
JP2009258860A (ja) * 2008-04-14 2009-11-05 Sony Corp 情報処理装置および方法、記録媒体、プログラム、並びに情報処理システム
JP4704455B2 (ja) * 2008-09-09 2011-06-15 株式会社コナミデジタルエンタテインメント 稼働状態管理システム並びにこれを構成するゲーム装置及び管理装置
US8817985B2 (en) * 2009-06-23 2014-08-26 Panasonic Corporation Encryption key distribution system
KR101133988B1 (ko) * 2010-04-23 2012-04-05 한국과학기술원 해쉬 트리 기반의 스트림 암호화 및 복호화 방법과 암호 파일 시스템
US8856530B2 (en) 2011-09-21 2014-10-07 Onyx Privacy, Inc. Data storage incorporating cryptographically enhanced data protection
CN103036853B (zh) * 2011-09-30 2016-01-27 ***通信集团公司 业务数据发送方法及装置、业务处理方法及装置
CN105051750B (zh) 2013-02-13 2018-02-23 安全第一公司 用于加密文件***层的***和方法
US9063916B2 (en) * 2013-02-27 2015-06-23 Oracle International Corporation Compact encoding of node locations
CN103929301A (zh) * 2014-05-07 2014-07-16 中国科学院微电子研究所 真随机数生成方法、装置及电力设备
US11252190B1 (en) 2015-04-23 2022-02-15 Amazon Technologies, Inc. Limited access policy bypass
US20170372085A1 (en) * 2016-06-28 2017-12-28 HGST Netherlands B.V. Protecting data in a storage device
US11113408B2 (en) * 2018-08-20 2021-09-07 Hewlett Packard Enterprise Development Lp Providing a secure object store using a hierarchical key system
CN111600948B (zh) * 2020-05-14 2022-11-18 北京安御道合科技有限公司 基于标识密码的云平台应用和数据安全处理方法、***、存储介质、程序
KR102496011B1 (ko) * 2021-01-04 2023-02-06 서울시립대학교 산학협력단 코드 밀도를 조절하는 데이터 스크램블링 방법

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787175A (en) * 1995-10-23 1998-07-28 Novell, Inc. Method and apparatus for collaborative document control
JPH1115373A (ja) * 1997-06-20 1999-01-22 Fuji Xerox Co Ltd 公開鍵暗号方式
US5953419A (en) * 1996-05-06 1999-09-14 Symantec Corporation Cryptographic file labeling system for supporting secured access by multiple users
WO2000031744A1 (fr) * 1998-11-19 2000-06-02 Memory Corporation Technology Limited Gestion de la copie pour systemes de donnees
WO2000039800A1 (fr) * 1998-12-25 2000-07-06 Sony Corporation Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes
EP1058257A1 (fr) * 1998-12-25 2000-12-06 Sony Corporation Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes
EP1228407A2 (fr) * 1999-06-08 2002-08-07 QinetiQ Limited Controle d'acces dans un environnement web

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386234A (en) * 1977-12-05 1983-05-31 International Business Machines Corp. Cryptographic communication and file security using terminals
US4888802A (en) 1988-06-17 1989-12-19 Ncr Corporation System and method for providing for secure encryptor key management
US5231666A (en) 1992-04-20 1993-07-27 International Business Machines Corporation Cryptographic method for updating financial records
FI93280C (fi) 1993-04-05 1995-03-10 Icl Personal Systems Oy Järjestely datan tallentamiseksi tietokonelaitteistossa
US5357932A (en) * 1993-04-08 1994-10-25 Ford Motor Company Fuel control method and system for engine with variable cam timing
JPH0855164A (ja) 1994-08-10 1996-02-27 Fujitsu Ltd ソフトウェア配送システム、中継装置およびユーザ端末装置
MY125706A (en) * 1994-08-19 2006-08-30 Thomson Consumer Electronics High speed signal processing smart card
US5850444A (en) 1996-09-09 1998-12-15 Telefonaktienbolaget L/M Ericsson (Publ) Method and apparatus for encrypting radio traffic in a telecommunications network
DE69733986T2 (de) * 1996-10-31 2006-01-26 Matsushita Electric Industrial Co., Ltd., Kadoma Vorrichtung zur verschlüsselten Kommunikation mit beschränkten Schaden bei Bekanntwerden eines Geheimschlüssels
US5999623A (en) * 1997-11-05 1999-12-07 Globalstar L.P. Broadcast data access controller communication system
JPH11187013A (ja) * 1997-12-24 1999-07-09 Ibm Japan Ltd 暗号鍵配信システム
US6049878A (en) * 1998-01-20 2000-04-11 Sun Microsystems, Inc. Efficient, secure multicasting with global knowledge
US6118873A (en) * 1998-04-24 2000-09-12 International Business Machines Corporation System for encrypting broadcast programs in the presence of compromised receiver devices
JP3823634B2 (ja) * 1998-12-04 2006-09-20 日本ビクター株式会社 エンコード装置、デコード装置及び通信方法
US6597891B2 (en) * 1999-04-05 2003-07-22 International Business Machines Corporation Combining online browsing and on-demand data broadcast for selecting and downloading digital content

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5787175A (en) * 1995-10-23 1998-07-28 Novell, Inc. Method and apparatus for collaborative document control
US5953419A (en) * 1996-05-06 1999-09-14 Symantec Corporation Cryptographic file labeling system for supporting secured access by multiple users
JPH1115373A (ja) * 1997-06-20 1999-01-22 Fuji Xerox Co Ltd 公開鍵暗号方式
US6530020B1 (en) * 1997-06-20 2003-03-04 Fuji Xerox Co., Ltd. Group oriented public key encryption and key management system
WO2000031744A1 (fr) * 1998-11-19 2000-06-02 Memory Corporation Technology Limited Gestion de la copie pour systemes de donnees
WO2000039800A1 (fr) * 1998-12-25 2000-07-06 Sony Corporation Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes
EP1058257A1 (fr) * 1998-12-25 2000-12-06 Sony Corporation Dispositif et procede de traitement d'informations, et support d'enregistrement de programmes
EP1228407A2 (fr) * 1999-06-08 2002-08-07 QinetiQ Limited Controle d'acces dans un environnement web

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WALDVOGEL M ET AL: "THE VERSAKEY FRAMEWORK: VERSATILE GROUP KEY MANAGEMENT", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, IEEE INC. NEW YORK, US, vol. 17, no. 9, September 1999 (1999-09-01), pages 1614 - 1631, XP002941560, ISSN: 0733-8716 *

Also Published As

Publication number Publication date
KR20020009464A (ko) 2002-02-01
TW538360B (en) 2003-06-21
HK1046742A1 (en) 2003-01-24
KR100843942B1 (ko) 2008-07-03
SG108264A1 (en) 2005-01-28
CN1248142C (zh) 2006-03-29
JP2002108710A (ja) 2002-04-12
EP1176754A2 (fr) 2002-01-30
US20020116622A1 (en) 2002-08-22
CN1338698A (zh) 2002-03-06
US7131010B2 (en) 2006-10-31
CN1953365B (zh) 2011-11-09
CN1953365A (zh) 2007-04-25

Similar Documents

Publication Publication Date Title
EP1176754A3 (fr) Système, procédé et dispositif de distribution de clés et support d'un programme ordinateur
EP1176755A3 (fr) Procédé et système de distribution de clés et support d'un programme ordinateur
EP1176826A3 (fr) Stockage superchiffré et récupération des programmes audiovisuels d'un récepteur à pair et un dispositif de stockage
EP1039462A3 (fr) Méthode de traitement et appareil pour le transfert de données cryptées
HUP0202486A2 (en) Information recording/reproducing apparatus and method
WO2005065084A3 (fr) Systeme et procede pour effectuer le chiffrage lors des operations de stockage en pipeline dans un reseau de stockage
EP1624609A3 (fr) Dispositif et procédé de traitement de données de cryptage
EP1175096B8 (fr) Enregistrement et reproduction sécurisés de programmes audiovisuels au moyen d'un récepteur et d'un dispositif de stockage couplés
WO2001078298A8 (fr) Systeme et procede de traitement d'informations
WO2003034651A1 (fr) Appareil de traitement de contenu et programme de protection de contenu
EP1176827A3 (fr) Stockage superchiffré et récupération des programmes audiovisuels avec des clés générées d'une carte à puce
CN101884195A (zh) 内容的密码处理
EP1453240A4 (fr) Appareil et procede de traitement d'informations
WO2005006197A3 (fr) Appareil et procede de cryptage de memoire a latence de decryptage reduite
DK1185021T3 (da) Fremgangsmåde og anlæg til informationsbehandling
MXPA00005863A (es) Dispositivo de registro de datos digitales, dispositivo de memoria de datos digitales, y dispositivo que utiliza los datos digitales para convertir la informacion de manejo la cual contiene informacion restrictiva que utiliza una clave diferente en c
ATE281739T1 (de) Verfahren zum bedindgten zugriff auf nutzdaten zur unterstützung der werbefinanzierung von multimedia-inhalten
EP1600869A4 (fr) Terminal de traitement de contenu, systeme de gestion de droits d'auteur et son procede
GB0117926D0 (en) Method for random access to encrypted content
RU2002100081A (ru) Система и способ обработки информации
US7681227B2 (en) Generation of encrypted video information
JP2002261751A5 (fr)
JP2004007533A5 (fr)
WO2003052631A3 (fr) Preparation de contenu multimedia
CN101751527A (zh) 多媒体文件在复制传播过程中的版权保护方法

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20050517

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100713